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ArmPkg/ArmDisassemblerLib: fix check for MSR instruction
[mirror_edk2.git] / MdePkg / Library / BaseMemoryLibSse2 / X64 / ScanMem32.asm
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f1baef62 1;------------------------------------------------------------------------------\r
2;\r
c33c6476
HT
3; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r
4; This program and the accompanying materials\r
f1baef62 5; are licensed and made available under the terms and conditions of the BSD License\r
6; which accompanies this distribution. The full text of the license may be found at\r
2fc59a00 7; http://opensource.org/licenses/bsd-license.php.\r
f1baef62 8;\r
9; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
10; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
11;\r
12; Module Name:\r
13;\r
14; ScanMem32.Asm\r
15;\r
16; Abstract:\r
17;\r
18; ScanMem32 function\r
19;\r
20; Notes:\r
21;\r
2bfb6009 22; The following BaseMemoryLib instances contain the same copy of this file:\r
f1baef62 23;\r
24; BaseMemoryLibRepStr\r
25; BaseMemoryLibMmx\r
26; BaseMemoryLibSse2\r
2bfb6009
LG
27; BaseMemoryLibOptDxe\r
28; BaseMemoryLibOptPei\r
f1baef62 29;\r
30;------------------------------------------------------------------------------\r
31\r
32 .code\r
33\r
34;------------------------------------------------------------------------------\r
35; CONST VOID *\r
36; EFIAPI\r
37; InternalMemScanMem32 (\r
38; IN CONST VOID *Buffer,\r
39; IN UINTN Length,\r
40; IN UINT32 Value\r
41; );\r
42;------------------------------------------------------------------------------\r
43InternalMemScanMem32 PROC USES rdi\r
44 mov rdi, rcx\r
45 mov rax, r8\r
46 mov rcx, rdx\r
47 repne scasd\r
48 lea rax, [rdi - 4]\r
49 cmovnz rax, rcx\r
50 ret\r
51InternalMemScanMem32 ENDP\r
52\r
53 END\r